The Use of Chemicals in Mine Grouting
I THINK it can be safely said that no mining operation, whether open-pit or underground, is ever entirely free of water. It follows that every ton of ore bears a charge which represents, either directly or indirectly, the cost of keeping the mine workings as dry as possible. W a ter problems oocur in all phases of mining operations. They cause difficult and costly drilling conditions during the exploration stage, they often seriously delay mine development, they can slow mine production and reduce efficiency, and they are a continued burden over the !ife of the mine.
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